#include<bits/stdc++.h>
using namespace std;
const int N=1e6+10;
int a[N]={};
int main(){
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    int n;
    scanf("%d",&n);
    for(int i=1;i<=n;i++){
       scanf("%d",&a[i]);
    }
    int cnt=n;
    sort(a+1,a+n+1);
    int j=1;
    for(int i=2;i<=n;i++){
        if(a[i]>a[j]){
           cnt--;
           j++;
        }
    }
    printf("%d",cnt);
    return 0;
}
